| Acronym | Meaning |
| GAAS | Gallium Arsenide |
| WERC | World Environment And Resources Council |
| SAI | Sudden Auroral Intensity |
| GAU | General Accounting Unit |
| OBS | Organizational Breakdown Structure |
| EROC | Ecological Rates Of Change |
| ECHAM4 | European Center HAMburg 4 |
| AS&E | American Science And Engineering |
| SDSD | Satellite Data Services Division |
| RDP | Research Data Program |